### July 2015

## Midpoint and Distance Formulas

The midpoint formula and the distance formula are introduced in algebra class. If students do not get a chance to discover how they are derived, they become yet another set of equations and processes to [...]

### June 2015

### February 2015

## What Americans Spend on Holidays

The National Retail Foundation sends out press releases that outline their predictions for consumer spending each holiday season. The 2007 - 2009 recession is quite evident in the dips in the charts of the predictions. [...]

## How is Sports Illustrated Faring?

The release of the 2015 Sports Illustrated swimsuit edition often brings controversy of some sort. This year's inclusion of a plus-size model does not disappoint. Is it an about face that recognizes that women come in [...]

### January 2015

## Graphing Absolute Value

https://www.youtube.com/watch?v=LXhADp-KPg8 When graphing the absolute value function, create a t-chart and list values for x. Then plug those values into the equation to find y. Be sure to treat the absolute value like a parenthesis [...]

## Real World Absolute Value Functions

Absolute Value To understand how the absolute value can be applied to the real world, we'll look at two topics: What is considered normal with regard to the temperature of the human body and Fuel [...]

## An Evolved Response to the Question “Why Do I Need to Learn Algebra”

I started my teaching career in a small school in Rosendale, MO. I was fresh out of college, married less than two months, and was tasked with finding a place for us to live where [...]

## Factoring Intro

http://youtu.be/zEdUToxYRVU The polynomial 2x + 8 can be modeled by the rectangle below. Step 1 Gather the appropriate tiles. Step 2 Arrange the tiles in the shape of a rectangle. Thus, 2x2 + 8 [...]

## Algebra Tiles

Algebra Tiles offer a way to make Algebra which is abstract, more concrete. The following pages use Algebra Tiles to introduce numerous concepts. They also include supporting materials to give your students a chance to [...]

### December 2014

## For Teachers

This page is a one-stop shop for various types of graph paper, short cuts, and other handouts that need to be kept close at hand. Unit Circles This Unit Circle Handouts document contains unit [...]

## Use a TI Graphing Calculator ‘s Table

You can use your graphing calculator to not only graph equations of lines, but also to generate a table of data. Make sure that your calculator has the Plots Off, Y= functions cleared, the MODE [...]

## Graphing Lines on a TI Graphing Calculator Part 2

In the real world, many lines don’t have nice numbers for their slope and y-intercept. Decimals and fractions are a commonplace. When we encounter these numbers, using a graphing calculator makes sense. Calculator Set Up [...]

### November 2014

## Plotting Pictures

http://youtu.be/KxeK_2DFdIs On the TI-84+ or TI-83+ Calculator Set Up Make sure that your calculator has the Plots Off, Y= functions cleared, the MODE and FORMAT are set at “stage left”, and the lists are cleared. [...]

## Graphing Linear Equations with a TI-83+

This activity is designed to help you become familiar with the graphing calculator. In it, you will learn to graph equations of lines, change the window, locate intercepts, and work with the table function of the [...]

## Line of Best Fit

The article titled Slope described real-world situations in which the concept of slope is useful. Graphing Slope is the next step. Moving the concept to graph paper or a graphing application. Slope Y-Intercept introduced the [...]

## Slope Y-Intercept

The article titled "Slope" described real-world situations in which the concept of slope is useful. "Graphing Slope" is the next step. Moving the concept to graph paper or a graphing application. Once you have a [...]

## Graphing Slope

The following are real world applications of slope as a rate of change. Graphing the examples can help you visualize what is happening. In the first example, a narrow, steep staircase was built to conserve [...]

### October 2014

## Slope

Slope can be a rate of change, a ratio, and is known as rise over run. It is often denoted by the letter 'm' in equations. It can be a decimal number but is often [...]

## Multi-Step Equations

http://youtu.be/nD8ozEaeJrg Boost Mobile™ offers a 64GB iPhone® 6 Plus for $749.99 and unlimited talk, text, and 1 GB of high speed data for $35/mo. with no contract. AT&T™ offers a 64GB iPhone® 6 Plus [...]

## 2 Step Equations

http://youtu.be/aZQIJgZbzKI Two step equations require more than one operation to solve. The video above shows how to solve them both visually with Algebra tiles and Algebraically. Tip: Be sure the tile itself and not the [...]

## Solve Equations by Multiplying and Dividing

http://youtu.be/Z2ge9yCdZLM Algebra tiles can help you visualize what’s actually happening when you are solving algebraic equations. Tips: Be sure the tile itself and not the text is selected when making a copy. You can: Right [...]

## Solve Equations by Adding & Subtracting

http://youtu.be/CmUMTf8DP30 Algebra tiles can help you visualize what’s actually happening when you are solving algebraic equations. Tips: Be sure the tile itself and not the text is selected when making a copy. You can: Right [...]

### September 2014

## Order of Operations

Stacie Bender 9/2/14 Just as the order in which you get dressed each morning is important, so, too is the order in which you perform mathematical calculations. By now, you likely have been exposed to [...]

### August 2014

## Multiply Binomials

Stacie Bender 8/20/14 Algebra tiles have been available for years. Positives: They can make the abstract more concrete. They help both visual and kinesthetic learners understand the concepts of Algebra. Negatives: It can be costly to [...]

## Equations and Expressions

Stacie Bender 8/17/14 http://youtu.be/MyF3jnaKfZg Algebra, like any subject, can seem like a foreign language if you don’t pay attention to the terminology. In Algebra or Pre-Algebra, you move from concrete math to something [...]